Home / 8,320,429.60-12,480,644.40-4,063,328.80

Finding the Fourth Proportional to 8,320,429.60, 12,480,644.40 and 4,063,328.80

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Solution

The fourth proportional to 8,320,429.60, 12,480,644.40 and 4,063,328.80 is: 6,094,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,429.60 : 12,480,644.40 = 4,063,328.80 : x
  2. Step 2: Convert to fraction form
    8,320,429.60/12,480,644.40 = 4,063,328.80/x
  3. Step 3: Cross multiply
    8,320,429.60x = 12,480,644.40 × 4,063,328.80
  4. Step 4: Simplify right side
    8,320,429.60x = 50,712,961,833,078.72
  5. Step 5: Solve for x
    x = 50,712,961,833,078.72/8,320,429.60
  6. Step 6: Final answer
    x = 6,094,993.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.